Core/Vehicles: - Prevent client ejecting passengers from non-ejectable seats.

- Chart some more VehicleSeatFlags and VehicleSeatFlagsB. Research by linencloth

src/server/game/Entities/Vehicle/Vehicle.cpp

@@ -423,6 +423,17 @@ void Vehicle::RemovePassenger(Unit *unit)
         sScriptMgr->OnRemovePassenger(this, unit);
 }
 
+void Vehicle::EjectPassenger(Unit* passenger, Unit* controller)
+{
+    SeatMap::const_iterator m_SeatsItr;
+    for (m_SeatsItr = m_Seats.begin(); m_SeatsItr != m_Seats.end(); ++m_SeatsItr)
+        if (m_SeatsItr->second.passenger == passenger)
+            if (m_SeatsItr->second.seatInfo->IsEjectable())
+                return passenger->ExitVehicle();
+            else
+                sLog->outError("Player %u attempted to eject unit GUID "UI64FMTD" from non-ejectable seat.", controller->GetGUIDLow(), passenger->GetGUID());
+}
+
 void Vehicle::RelocatePassengers(float x, float y, float z, float ang)
 {
     Map *map = me->GetMap();